| Serial Number | 99392914 |
| Word Mark | DUET SERIES |
| Filing Date | Monday, September 15, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Wednesday, February 18, 2026 |
| Registration Number | 0000000 |
| Registration Date | Tuesday, March 10, 2026 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | Heat pumps; Air conditioning units; Combined heating and air-conditioning apparatus; Air conditioning units for homes and businesses, namely, multi zone systems featuring a mini split and heat pump |
| NOT AVAILABLE | "SERIES" |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 013, 021, 023, 024, 031, 034 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, September 15, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | Sunday, February 1, 2026 |
| First Use In Commerce Date | Sunday, February 1, 2026 |
| Party Name | VTRONIX, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Weston, FL 33326 |
| Event Date | Event Description |
| Monday, September 15, 2025 | NEW APPLICATION ENTERED |
| Monday, September 15, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, September 15, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, January 27, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, January 27, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, January 27, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, January 27, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Thursday, February 12, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, February 12, 2026 | TEAS AMENDMENT OF USE RECEIVED |
| Thursday, February 12, 2026 | USE AMENDMENT FILED |
| Thursday, February 12, 2026 | AMENDMENT TO USE PROCESSING COMPLETE |
| Friday, February 13, 2026 | USE AMENDMENT ACCEPTED |
| Friday, February 13, 2026 | APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER |